Specific information needed:

  • Circumstances.
  • Duration of exposure.
  • Vomiting or fitting.
  • History of loss of consciousness.

Specific physical findings:

  • Vital Signs and oxygen saturation.
  • The cherry pink skin colour is rare, and usually after death!

Note: Carbon monoxide binds to haemoglobins, displacing oxygen molecules. Pulse oximeters reads the percent of haemoglobin bound but not necessarily by oxygen; SpO2 is likely to be inaccurate in case of carbon monoxide poisoning.

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